The Comma Johanneum
“The only explicit Trinitarian formula in the New Testament ("three that bear witness in heaven: the Father, the Word, and the Holy Spirit") is absent from virtually all Greek manuscripts. Is it authentic?”
"For there are three that testify: the Spirit, the water and the blood; and the three are in agreement." , 1 John 5:7-8 (NIV, without the Comma) / "For there are three that bear record in heaven, the Father, the Word, and the Holy Ghost: and these three are one. And there are three that bear witness in earth, the spirit, and the water, and the blood: and these three agree in one." , 1 John 5:7-8 (KJV, with the Comma)
The Comma Johanneum is the name given to the longer reading in 1 John 5:7-8 that includes an explicit Trinitarian formula: "the Father, the Word, and the Holy Ghost: and these three are one." This is the only passage in the entire New Testament that states the doctrine of the Trinity in those explicit terms. Yet it is absent from every known Greek manuscript except a handful of late medieval copies, is absent from all ancient versions (Old Latin, Vulgate, Syriac, Coptic, Armenian), and is not cited by any Greek church father in any of the extensive Trinitarian controversies of the 2nd-4th centuries, when such a proof-text would have been decisive.
Hard verses are where our biases and assumptions do the most damage. Before diving into scholarly perspectives, consider which thinking patterns might be shaping how you read this passage.
The evidence against the Comma's authenticity is overwhelming by any standard of NT textual criticism. It appears in no Greek manuscript before the 15th century except two late medieval copies (Codex Montfortianus, c. 1520, and Codex Ravianus, probably copied from a printed edition).
It is absent from the Vulgate's earliest manuscripts and was not in Jerome's original translation; it entered the Latin tradition gradually from the 4th-6th century. Erasmus initially omitted it from his 1516 Greek NT on the grounds that it appeared in no Greek manuscript; after pressure (and the suspicious appearance of Codex Montfortianus) he included it in his 1522 edition. Most modern translations relegate it to a footnote or bracket it.
The argument that Arian scribes removed it from Greek manuscripts fails because no ancient writer accuses Arians of such activity, and the passage would have been decisive ammunition for Nicene defenders throughout the 4th century if it had existed in known manuscripts.
Traditional defenders, including some Catholic scholars of the Tridentine period, argued that the Comma was dropped from Greek manuscripts by Arian scribes who found it too explicit a Trinitarian proof-text, and that its preservation in Latin manuscripts represents an older tradition. The Tridentine Vulgate (1592) included it, and its canonical status was defended by Rome until the 20th century, though the Pontifical Biblical Commission clarified in 1927 that scholars were free to express doubt about its authenticity. Defenders today are rare among critical scholars but exist among certain confessional positions that tie doctrinal stability to the King James Version.
The failure of Athanasius, Hilary, and other pro-Nicene polemicists to cite this verse in their extensive Trinitarian writings remains the most powerful single argument against its authenticity.
The most widely accepted explanation for the Comma's existence is that it originated as an allegorical interpretation written in the margin of a Latin manuscript, explaining the three earthly witnesses (spirit, water, blood) as symbols of the three heavenly persons of the Trinity. Such allegorical glosses were common in patristic Latin commentary tradition; Cyprian (3rd century) applied the three witnesses typologically but did not cite the exact Comma language, suggesting the allegorical connection was established but the textual form was not yet crystallized. At some point between the 4th and 6th century, a Latin scribe copied the marginal note into the text proper, and it spread through the Latin tradition from there.
Priscillian of Avila (c. 380 CE) may be the earliest writer to cite a form of the Comma as a text, though his citation is itself textually uncertain.
The most important theological observation is that the Comma's absence does not in any way undermine Trinitarian theology, which is built on numerous other New Testament texts (Matthew 28:19, John 1:1, John 10:30, 2 Corinthians 13:14, and the entire structure of Johannine and Pauline theology). The doctrine of the Trinity was not derived from the Comma; it was constructed through theological reasoning about the entire canonical witness long before the Comma appears in any manuscript. The Comma appears to be a later attempt to provide an explicit proof-text for what theologians had already established by other means, making its absence from the original text theologically unimportant even if historically significant.
The story of the Comma in the Renaissance is a case study in the politics of Bible translation. When Erasmus published his Greek New Testament in 1516 without the Comma, he was immediately attacked by theologians who accused him of undermining the Trinity. Erasmus replied that he followed the manuscripts and challenged his critics to produce a Greek manuscript containing the verse.
Codex Montfortianus, held at Pembroke College Oxford and dated to c. 1520, appeared suspiciously soon after this challenge and is widely believed to have been written specifically to force Erasmus's hand. Erasmus included the Comma in his 1522 third edition with a note expressing skepticism about the manuscript's authenticity, but the damage was done: the Textus Receptus (the printed Greek text used by the KJV translators) included it, and it remained in English Bibles for three centuries.
The shorter authentic text of 1 John 5:7-8 reads: "hoti treis eisin hoi martyrountes, to pneuma kai to hydor kai to haima" ("for three are those testifying: the Spirit and the water and the blood"). The Comma inserts: "en to ourano, ho Pater, ho Logos kai to Hagion Pneuma, kai houtoi hoi treis hen eisi" ("in heaven, the Father, the Word, and the Holy Spirit, and these three are one"). The term Logos ("Word") for the Son echoes John 1:1 and is not the typical Pauline or Synoptic terminology, suggesting the Comma was composed by someone steeped in Johannine theology.
The Greek of the Comma, when it appears in late manuscripts, is polished and theologically precise, consistent with a later composition by a theologically educated writer rather than an original apostolic text. The seamless fit of the Comma into the sentence structure of 1 John 5:7-8 when read in Latin (but not Greek) supports the theory that it was composed in Latin as a theological gloss on the Latin text.
The Comma became a flashpoint in the Renaissance period because Erasmus's omission of it from his Greek New Testament provoked immediate controversy. When Erasmus said he would include it if a Greek manuscript were produced, the suspiciously timely appearance of Codex Montfortianus (probably written specifically to pressure Erasmus) illustrates the theological stakes. The passage's inclusion in the Textus Receptus (the Greek text underlying the KJV) meant that it appeared in essentially every Protestant Bible for three centuries.
The King James Version's inclusion and the later exclusion by modern translations became a touchstone of "King-James-Only" debates in the 20th century. The Comma is now a textbook case in introductions to NT textual criticism precisely because the evidence is so one-sided. The Arian controversy of the 4th century, during which Trinitarian theologians produced volumes of proof-text arguments from Scripture, provides the most compelling negative evidence: Athanasius, Hilary of Poitiers, Basil of Caesarea, and Gregory of Nazianzus all wrote extensively against Arianism without citing 1 John 5:7 in its longer form, a silence that would be inexplicable if the Comma had been part of any manuscript tradition known to them.
Sources: Published scholarship View all →
All Hard Verses